EP2715097A1 - Chemise de cylindre et unité modulaire composée d'au moins une chemise de cylindre et d'un bloc-cylindres - Google Patents

Chemise de cylindre et unité modulaire composée d'au moins une chemise de cylindre et d'un bloc-cylindres

Info

Publication number
EP2715097A1
EP2715097A1 EP12728953.6A EP12728953A EP2715097A1 EP 2715097 A1 EP2715097 A1 EP 2715097A1 EP 12728953 A EP12728953 A EP 12728953A EP 2715097 A1 EP2715097 A1 EP 2715097A1
Authority
EP
European Patent Office
Prior art keywords
cylinder liner
cylinder
sleeve
crankcase
circumferential surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12728953.6A
Other languages
German (de)
English (en)
Inventor
Wolfgang Issler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle International GmbH
Original Assignee
Mahle International GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mahle International GmbH filed Critical Mahle International GmbH
Publication of EP2715097A1 publication Critical patent/EP2715097A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/004—Cylinder liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/02—Cylinders; Cylinder heads  having cooling means
    • F02F1/10—Cylinders; Cylinder heads  having cooling means for liquid cooling
    • F02F1/12—Preventing corrosion of liquid-swept surfaces

Definitions

  • the present invention relates to a cylinder liner for a cylinder crankcase of an internal combustion engine.
  • the present invention further relates to an assembly of at least one cylinder liner and a cylinder crankcase for an internal combustion engine, with at least one of the at least one cylinder liner associated coolant chamber.
  • wet and dry cylinder liners In internal combustion engines, a distinction is made between “wet” and “dry” cylinder liners.
  • wet cylinder liners a coolant space is integrated into the cylinder crankcase and formed between the cylinder crankcase and the cylinder liner.
  • the cavitation is, for example, caused by high-frequency vibrations, which are generated by the gas forces in the combustion chamber and the shock pulses in the piston side movement. These high-frequency vibrations are transmitted in particular via the cylinder liner to the coolant.
  • the extreme pressure and temperature peaks typical of cavitation cause damage in the material of the cylinder liner, in particular in the outer jacket surface.
  • the present invention is therefore based on the object, a generic cylinder liner or a generic assembly of at least one Further develop cylinder liner and a cylinder crankcase so that the risk of cavitation damage is at least reduced.
  • the solution is that at least a portion of the outer surface of the cylinder liner is surrounded by a sleeve of a metallic material.
  • the subject matter of the present invention is furthermore an assembly comprising at least one cylinder liner and a cylinder crankcase, wherein at least a portion of the outer jacket surface of the cylinder liner is surrounded by a sleeve of a metallic material facing the at least one coolant chamber.
  • the embodiment of the invention is characterized in that the outer surface of the cylinder liner is at least locally protected by an enclosure of a cavitation resistant material from cavitation damage. Damage to the cylinder liner or the structural unit according to the invention by cavitation is thereby significantly reduced.
  • the entire outer surface of the cylinder liner is surrounded by a sleeve of a metallic material to optimize the protection against cavitation damage.
  • a sleeve made of a steel material is particularly resistant to the extreme pressure and Temperaturbeetzschonne occurring during cavitation.
  • the sleeve provided according to the invention in particular protects cylinder liners consisting of a cast iron material from cavitation damage.
  • the inventively provided sleeve can be shrunk in a conventional manner to the outer surface of the cylinder liner or potted with the outer surface of the cylinder liner.
  • the sleeve surrounds at least a portion of the outer surface of the cylinder liner, it is advantageous if it is flush with the outer surface of the cylinder liner to produce a smooth outer surface.
  • Figure 1 shows a first embodiment of a cylinder liner according to the invention in section
  • Figure 2 shows another embodiment of a cylinder liner according to the invention in section
  • FIG. 3 shows an assembly according to the invention with the cylinder liner according to
  • Figure 4 shows an assembly according to the invention with the cylinder liner according to
  • FIG. 1 shows a first exemplary embodiment of a cylinder liner 30 according to the invention.
  • the cylinder liner 30 in the exemplary embodiment consists of a cast iron material in a manner known per se and can, for example, be produced by centrifugal casting.
  • the cylinder liner 30 has in the exemplary embodiment a shaft 31 with a circumferential flange 32. Below the flange 32, a circumferential groove 33 is provided in the shaft 31.
  • the outer circumferential surface 34 of the shaft 31 is according to the invention surrounded by a sleeve 35, which is made in the embodiment of a steel material. The sleeve 35 is pushed in the embodiment after the finishing of the cylinder liner 30 to the shaft 31 and fixed in a conventional manner by means of shrink fit.
  • FIG. 2 shows a first embodiment of a cylinder liner 130 according to the invention.
  • the cylinder liner 130 is in the embodiment also made of a cast iron material.
  • the cylinder liner 130 has in the exemplary embodiment a shaft 131 with a circumferential flange 132. Below the flange 132, a circumferential groove 133 is provided in the shaft 131. A circumferential groove 136 is provided in the lower portion of the shaft 131.
  • the outer surface 134 of the shaft 131 is according to the invention partially surrounded by a sleeve 135, which is made in the embodiment of a steel material.
  • the sleeve 135 is inserted in the embodiment in the mold for the cylinder liner 130 and potted in a conventional manner with the cylinder liner 130. After finishing the cylinder liner 130 results in a smooth outer surface, which is formed by the sleeve 135 and the exposed areas of the outer lateral surface 134, wherein the sleeve 135 is flush with
  • FIG. 3 shows a first exemplary embodiment of a structural unit according to the invention
  • the assembly 10 has an upper cylinder housing 11 and an adjacent lower crankcase 12.
  • the cylinder housing 11 and the crankcase 12 are made in a conventional manner preferably of a light metal alloy based on aluminum or magnesium or a cast iron alloy.
  • at least one cylinder liner 30 is used according to Figure 1.
  • the cylinder liner 30 is centered in the embodiment by means of a step 23 in the cylinder housing 11.
  • the sliding in the cylinder liners 30 pistons are connected in a known manner via a connecting rod with a crankshaft (not shown). In this case, the crankshaft is mounted in bearings 12 formed in the crankcase 12.
  • a cylinder space 30 surrounding the coolant chamber 13 is provided in the cylinder housing 1 1.
  • This coolant chamber 13 is in the form of a recess directly in the cylinder housing
  • the sleeve 35 and the inner circumferential surface 21 of the coolant chamber 13 define the same in the radial direction.
  • the coolant space is sealed up by means of the flange 32 and a cylinder head cover 17.
  • FIG. 4 shows a further exemplary embodiment of a structural unit 110 according to the invention for an internal combustion engine.
  • the structural unit 110 substantially corresponds to the structural unit 10 according to FIG. 3, so that identical structural elements are provided with the same reference numerals and reference is made in this regard to the description of the figures relating to FIG.
  • the assembly 110 also includes an upper cylinder housing 111 and a lower crankcase 112 adjacent thereto.
  • At least one cylinder liner 130 according to FIG. 2 is inserted in the cylinder housing 111.
  • the cylinder liner 130 is centered in the embodiment by means of a step 123 and by means of its flange 132 in the cylinder housing 111.
  • the cylinder liner 130 is further fixed by means of a cylinder head cover 117.
  • a coolant chamber 113 surrounding the cylinder liner 130 is provided in the cylinder housing 111.
  • This coolant chamber 113 is formed in the form of a recess directly in the cylinder housing 111 and surrounds the cylinder liner 130 only over the axial height of its sleeve 135.
  • the coolant in the coolant 113 existing coolant is in direct contact with the sleeve 135, which the outer surface 134 of the cylinder liner 130 surrounds.
  • the sleeve 135 and the inner circumferential surface 121 of the coolant space 113 define the same in the radial direction.
  • the outer jacket surface 34, 134 of the cylinder liner is effectively protected from cavitation damage by means of the sleeve 35, 135 provided in accordance with the invention, starting from the coolant present in the coolant chamber 13, 113.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

L'invention concerne une chemise de cylindre (30, 130) pour bloc-cylindres (11, 12; 111, 112) de moteur à combustion interne, qui se caractérise en ce qu'au moins une zone partielle de la surface extérieure (34, 134) de ladite chemise de cylindre (30, 130) est entourée d'un manchon (35, 235) en matériau métallique. L'invention concerne en outre une unité modulaire (10, 110) composée d'au moins une chemise de cylindre (30, 130) de ce type et d'un bloc-cylindres (11, 12; 111, 112).
EP12728953.6A 2011-05-21 2012-05-19 Chemise de cylindre et unité modulaire composée d'au moins une chemise de cylindre et d'un bloc-cylindres Withdrawn EP2715097A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011102203A DE102011102203A1 (de) 2011-05-21 2011-05-21 Zylinderlaufbuchse sowie Baueinheit aus mindestens einer Zylinderlaufbuchse und einem Kurbelgehäuse
PCT/DE2012/000527 WO2012159606A1 (fr) 2011-05-21 2012-05-19 Chemise de cylindre et unité modulaire composée d'au moins une chemise de cylindre et d'un bloc-cylindres

Publications (1)

Publication Number Publication Date
EP2715097A1 true EP2715097A1 (fr) 2014-04-09

Family

ID=46330988

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12728953.6A Withdrawn EP2715097A1 (fr) 2011-05-21 2012-05-19 Chemise de cylindre et unité modulaire composée d'au moins une chemise de cylindre et d'un bloc-cylindres

Country Status (8)

Country Link
US (1) US20140102401A1 (fr)
EP (1) EP2715097A1 (fr)
JP (1) JP2014516131A (fr)
KR (1) KR20140034212A (fr)
CN (1) CN103608574A (fr)
BR (1) BR112013029890A2 (fr)
DE (1) DE102011102203A1 (fr)
WO (1) WO2012159606A1 (fr)

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DE102012211866A1 (de) 2012-07-06 2014-01-09 Mahle International Gmbh Zylinderlaufbuchse
KR20140140283A (ko) * 2013-05-29 2014-12-09 현대중공업 주식회사 엔진용 실린더라이너 구조
AT514582B1 (de) * 2013-10-04 2015-02-15 Avl List Gmbh Einrichtung zur Reibungsmessung an einer Zylinder-Kolben-Anordnung
DE102014005096A1 (de) * 2014-04-08 2015-10-08 Mahle International Gmbh Zylinderlaufbuchse, Baueinheit sowie Verfahren zum Herstellen einer Zylinderlaufbuchse
BR102014025812A2 (pt) 2014-10-16 2016-04-19 Mahle Int Gmbh camisa de cilindro molhada para motores de combustão interna, processo para obtenção de camisa de cilindro molhada e motor de combustão interna
DE102015201999A1 (de) * 2015-02-05 2016-08-11 Ford Global Technologies, Llc Hubkolbenmotor, Kraftfahrzeug
DE102015201994A1 (de) 2015-02-05 2016-08-11 Ford Global Technologies, Llc Hubkolbenmotor, Kraftfahrzeug
KR20160097570A (ko) 2015-02-09 2016-08-18 현대중공업 주식회사 실린더 블록의 공용화가 가능한 엔진 장치
CN105756796A (zh) * 2016-01-04 2016-07-13 马勒技术投资(中国）有限公司 一种用于重卡发动机的组合式湿式缸套
CN105508072A (zh) * 2016-01-13 2016-04-20 河南中原吉凯恩气缸套有限公司 半干式气缸套
JP2017223174A (ja) * 2016-06-16 2017-12-21 トヨタ自動車株式会社 内燃機関用シリンダブロックおよびその製造方法
DE102017202392A1 (de) 2017-02-15 2018-08-16 Bayerische Motoren Werke Aktiengesellschaft Kurbelgehäuse für eine Hubkolben-Brennkraftmaschine
DE102018102064A1 (de) 2018-01-30 2019-08-01 Man Energy Solutions Se Zylinderlaufbuchse und Brennkraftmaschine
TWI714158B (zh) * 2019-07-08 2020-12-21 可立新實業有限公司 水冷式汽缸製作方法

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Also Published As

Publication number Publication date
BR112013029890A2 (pt) 2016-12-20
CN103608574A (zh) 2014-02-26
US20140102401A1 (en) 2014-04-17
DE102011102203A1 (de) 2012-11-22
JP2014516131A (ja) 2014-07-07
WO2012159606A1 (fr) 2012-11-29
KR20140034212A (ko) 2014-03-19

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